Harold Marmorstein
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| USA-chT Amateur East | 02/16/2002 | 691 |  United States |
| US op 101st | 08/05/2000 | 817 | United States |
| USA-op | 07/??/1991 | 493 | United States |
Harold Marmorstein Opening Repertoire with White pieces
| ECO | Opening | Games |
| C44 | King's pawn game | 1 games |
Harold Marmorstein Opening Repertoire with Black pieces
| ECO | Opening | Games |
| B85 | Sicilian, Scheveningen, classical variation with ...Qc7 and ...Nc6 | 1 games |
| A48 | King's Indian, East Indian defence | 1 games |
